Question

2. comprises of 21% of the earth's atmosphere. 3. Air consists of oxygen which supports 4. Insoluble impurities can be removed through Recall with Bingo 1. Air is present everywhere around us. We cannot see it, but we can feel it. The planet earth is surrounded by a thick envelope of air called atmospher The atmosphere is divided into five layers-troposphere, stratosp​

Answer 1

Answer:

In physics, a force is any influence that, when unopposed, will change the motion of an object. A force can cause an object with mass to change its velocity, i.e., to accelerate. Force can also be described intuitively as a push or a pull. A force has both magnitude and direction, making it a vector quantity.

Answer 2

2.oxygen

3.human breathing fire and water

1.troposphere, stratosphere, mesosphere, thermosphere, and exosphere